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  <title>Match ETag</title>

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</div><hr /><div id="function.http-match-etag" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">http_match_etag</h1>
  <p class="verinfo">(PECL pecl_http &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">http_match_etag</span> &mdash; <span class="dc-title">Match ETag</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.http-match-etag-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>http_match_etag</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$etag</code></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$for_range</code><span class="initializer"> = false</span></span>
  ] )</div>

  <p class="para rdfs-comment">
   Matches the given <em>ETag</em> against the clients <em>If-Match</em> resp. 
   <em>If-None-Match</em> HTTP headers.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.http-match-etag-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">etag</code></em></dt>

     <dd>

      <p class="para">
       the <em>ETag</em> to match
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">for_range</code></em></dt>

     <dd>

      <p class="para">
       if set to <strong><code>TRUE</code></strong>, the header usually used to validate HTTP ranges will be checked
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.http-match-etag-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> if <em>ETag</em> matches or the header contained the asterisk (&quot;*&quot;), else <strong><code>FALSE</code></strong>.
  </p>
 </div>


 


 


 


 <div class="refsect1 seealso" id="refsect1-function.http-match-etag-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><strong>http_match_last_modified()</strong></span></li>
    <li class="member"><span class="function"><a href="function.http-match-request-header.html" class="function" rel="rdfs-seeAlso">http_match_request_header()</a> - Match any header</span></li>
    <li class="member"><span class="function"><a href="function.http-cache-etag.html" class="function" rel="rdfs-seeAlso">http_cache_etag()</a> - Caching by ETag</span></li>
    <li class="member"><span class="function"><a href="function.http-cache-last-modified.html" class="function" rel="rdfs-seeAlso">http_cache_last_modified()</a> - Caching by last modification</span></li>
    <li class="member"><span class="function"><a href="function.ob-etaghandler.html" class="function" rel="rdfs-seeAlso">ob_etaghandler()</a> - ETag output handler</span></li>
   </ul>
  </p>
 </div>



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